Days Set Up
Tuesday, Friday
Analytic Time
4 hours
MiChart Code
Carbamazepine Level, Free
Soft Order Code
FCBZN
Test Updated:
Synonyms
Tegretol
Tegretol, Protein Free
FCBZN
Free Tegretol
Free Carbamazepine
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Test Overview
Test Methodology
LC-MS/MS
Test Usage
Monitor therapeutic drug level.
Reference Range
Therapeutic 1 - 3 mcg/mL. Toxic: Greater than 3.5 mcg/mL.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Billing Information
CPT Code
80157
Pro Fee Code
LOINC
3433-0